Matlab控制电脑摄像实现实时人脸检测和识别详解

%Set up video object. Note: to change to a different camera (or camera setup) change the following line:
vid = videoinput('winvideo',1,'YUY2_640x480');
%Set the video object to always return rgb images:
set(vid, 'ReturnedColorSpace', 'rgb');
triggerconfig(vid,'manual');
start(vid)
%Initialize frame Frm and fps variable
Frm     = 0;
fps     = 0;
%Set the total runtime in seconds 
runtime = 100;
h       = figure(1);
tic;
timeTracker = toc;

clc;
clear;
close all;
warning off;
addpath 'func\'
addpath 'facebase\'
 
 
delete(imaqfind);
%Set up video object. Note: to change to a different camera (or camera setup) change the following line:
vid = videoinput('winvideo',1,'YUY2_640x480');
%Set the video object to always return rgb images:
set(vid, 'ReturnedColorSpace', 'rgb');
triggerconfig(vid,'manual');
start(vid)
%Initialize frame Frm and fps variable
Frm     = 0;
fps     = 0;
%Set the total runtime in seconds 
runtime = 100;
h       = figure(1);
tic;
timeTracker = toc;
 
 
load grnns.mat
while toc < runtime 
      toc
      Frm = Frm + 1;
      %获得摄像头图像
      I   = getsnapshot(vid);
 
 
      %人脸跟踪
      [segment,f,R0,R1] = func_face_track(I);
      %获得人脸区域
      figure(1);
      subplot(221);
      imshow(uint8(I));
      title('摄像头视频获取');
      subplot(222);
      imshow(f);
      subplot(223);
      imshow(R1);
      title('脸部定位');
      
      %人脸识别（测试前需要加入自己所要测试的人脸的相关库。比如你要测试你自己的脸，那么需要加入你的脸道库中）
       
      R0re    = imresize(R0,[220,160]);
      Ttest   = func_yuchuli(R0re);%读入数字
      wordsss = sim(net,Ttest');
      [V,I]   = max(wordsss);
    
      %显示识别结论
      Icheck  = imread(['facebase\',num2str(I-1),'.jpg']);
      
      subplot(224);
      imshow(Icheck);
      title('识别结论');
      pause(0.5);
end
stop(vid)
 
 
 
clc;
clear;
close all;
warning off;
addpath 'func\'
addpath 'facebase\'
I = imread('1.jpg');
 
%%
%人脸跟踪
[segment,f,R0,R1] = func_face_track(I);
%获得人脸区域
figure
subplot(221);
imshow(I);
subplot(222);
imshow(f);
subplot(223);
imshow(R1);
title('脸部定位');
 
%%
%人脸识别（测试前需要加入自己所要测试的人脸的相关库。比如你要测试你自己的脸，那么需要加入你的脸道库中）
%人脸库的离线训练
R0re    = imresize(R0,[220,160]);
Ttest   = func_yuchuli(R0re);%读入数字
 
load grnns.mat
wordsss = sim(net,Ttest');
[V,I]   = max(wordsss);
%显示识别结论
Icheck  = imread(['facebase\',num2str(I-1),'.jpg']);
subplot(224);
imshow(Icheck);
title('识别结论');